If not stated explicitly otherwise on the respective page, the contents of this site is '''dual licensed''' under the [http://www.gnu.org/licenses/fdl.txt GNU Free Documentation License 1.2] and the [http://creativecommons.org/licenses/by-sa/2.5/ Creative Commons Attribution-ShareAlike License].

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All contributions to KDE wikis are licensed under the [http://creativecommons.org/licenses/by-sa/4.0/ Creative Commons License SA 4.0].

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== GNU Free Documentation License ==

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<pre>

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GNU Free Documentation License

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Version 1.2, November 2002

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Copyright (C) 2000,2001,2002 Free Software Foundation, Inc.

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59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

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Everyone is permitted to copy and distribute verbatim copies

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of this license document, but changing it is not allowed.

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0. PREAMBLE

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The purpose of this License is to make a manual, textbook, or other

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functional and useful document "free" in the sense of freedom: to

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assure everyone the effective freedom to copy and redistribute it,

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with or without modifying it, either commercially or noncommercially.

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Secondarily, this License preserves for the author and publisher a way

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to get credit for their work, while not being considered responsible

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for modifications made by others.

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This License is a kind of "copyleft", which means that derivative

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works of the document must themselves be free in the same sense. It

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complements the GNU General Public License, which is a copyleft

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license designed for free software.

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We have designed this License in order to use it for manuals for free

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software, because free software needs free documentation: a free

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program should come with manuals providing the same freedoms that the

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software does. But this License is not limited to software manuals;

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it can be used for any textual work, regardless of subject matter or

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whether it is published as a printed book. We recommend this License

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principally for works whose purpose is instruction or reference.

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1. APPLICABILITY AND DEFINITIONS

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This License applies to any manual or other work, in any medium, that

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contains a notice placed by the copyright holder saying it can be

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distributed under the terms of this License. Such a notice grants a

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world-wide, royalty-free license, unlimited in duration, to use that

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work under the conditions stated herein. The "Document", below,

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refers to any such manual or work. Any member of the public is a

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licensee, and is addressed as "you". You accept the license if you

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copy, modify or distribute the work in a way requiring permission

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under copyright law.

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A "Modified Version" of the Document means any work containing the

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Document or a portion of it, either copied verbatim, or with

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modifications and/or translated into another language.

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A "Secondary Section" is a named appendix or a front-matter section of

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the Document that deals exclusively with the relationship of the

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publishers or authors of the Document to the Document's overall subject

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(or to related matters) and contains nothing that could fall directly

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within that overall subject. (Thus, if the Document is in part a

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textbook of mathematics, a Secondary Section may not explain any

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mathematics.) The relationship could be a matter of historical

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connection with the subject or with related matters, or of legal,

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commercial, philosophical, ethical or political position regarding

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them.

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The "Invariant Sections" are certain Secondary Sections whose titles

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are designated, as being those of Invariant Sections, in the notice

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that says that the Document is released under this License. If a

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section does not fit the above definition of Secondary then it is not

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allowed to be designated as Invariant. The Document may contain zero

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Invariant Sections. If the Document does not identify any Invariant

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Sections then there are none.

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The "Cover Texts" are certain short passages of text that are listed,

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as Front-Cover Texts or Back-Cover Texts, in the notice that says that

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the Document is released under this License. A Front-Cover Text may

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be at most 5 words, and a Back-Cover Text may be at most 25 words.

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A "Transparent" copy of the Document means a machine-readable copy,

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represented in a format whose specification is available to the

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general public, that is suitable for revising the document

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straightforwardly with generic text editors or (for images composed of

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pixels) generic paint programs or (for drawings) some widely available

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drawing editor, and that is suitable for input to text formatters or

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for automatic translation to a variety of formats suitable for input

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to text formatters. A copy made in an otherwise Transparent file

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format whose markup, or absence of markup, has been arranged to thwart

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or discourage subsequent modification by readers is not Transparent.

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An image format is not Transparent if used for any substantial amount

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of text. A copy that is not "Transparent" is called "Opaque".

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Examples of suitable formats for Transparent copies include plain

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ASCII without markup, Texinfo input format, LaTeX input format, SGML

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or XML using a publicly available DTD, and standard-conforming simple

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HTML, PostScript or PDF designed for human modification. Examples of

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transparent image formats include PNG, XCF and JPG. Opaque formats

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include proprietary formats that can be read and edited only by

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proprietary word processors, SGML or XML for which the DTD and/or

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processing tools are not generally available, and the

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machine-generated HTML, PostScript or PDF produced by some word

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processors for output purposes only.

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The "Title Page" means, for a printed book, the title page itself,

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plus such following pages as are needed to hold, legibly, the material

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this License requires to appear in the title page. For works in

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formats which do not have any title page as such, "Title Page" means

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the text near the most prominent appearance of the work's title,

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preceding the beginning of the body of the text.

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A section "Entitled XYZ" means a named subunit of the Document whose

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title either is precisely XYZ or contains XYZ in parentheses following

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text that translates XYZ in another language. (Here XYZ stands for a

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specific section name mentioned below, such as "Acknowledgements",

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"Dedications", "Endorsements", or "History".) To "Preserve the Title"

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of such a section when you modify the Document means that it remains a

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section "Entitled XYZ" according to this definition.

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The Document may include Warranty Disclaimers next to the notice which

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states that this License applies to the Document. These Warranty

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Disclaimers are considered to be included by reference in this

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License, but only as regards disclaiming warranties: any other

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implication that these Warranty Disclaimers may have is void and has

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no effect on the meaning of this License.

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2. VERBATIM COPYING

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You may copy and distribute the Document in any medium, either

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commercially or noncommercially, provided that this License, the

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copyright notices, and the license notice saying this License applies

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to the Document are reproduced in all copies, and that you add no other

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conditions whatsoever to those of this License. You may not use

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technical measures to obstruct or control the reading or further

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copying of the copies you make or distribute. However, you may accept

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compensation in exchange for copies. If you distribute a large enough

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number of copies you must also follow the conditions in section 3.

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You may also lend copies, under the same conditions stated above, and

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you may publicly display copies.

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3. COPYING IN QUANTITY

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If you publish printed copies (or copies in media that commonly have

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printed covers) of the Document, numbering more than 100, and the

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Document's license notice requires Cover Texts, you must enclose the

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copies in covers that carry, clearly and legibly, all these Cover

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Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on

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the back cover. Both covers must also clearly and legibly identify

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you as the publisher of these copies. The front cover must present

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the full title with all words of the title equally prominent and

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visible. You may add other material on the covers in addition.

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Copying with changes limited to the covers, as long as they preserve

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the title of the Document and satisfy these conditions, can be treated

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as verbatim copying in other respects.

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If the required texts for either cover are too voluminous to fit

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legibly, you should put the first ones listed (as many as fit

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reasonably) on the actual cover, and continue the rest onto adjacent

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pages.

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If you publish or distribute Opaque copies of the Document numbering

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more than 100, you must either include a machine-readable Transparent

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copy along with each Opaque copy, or state in or with each Opaque copy

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a computer-network location from which the general network-using

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public has access to download using public-standard network protocols

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a complete Transparent copy of the Document, free of added material.

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If you use the latter option, you must take reasonably prudent steps,

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when you begin distribution of Opaque copies in quantity, to ensure

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that this Transparent copy will remain thus accessible at the stated

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location until at least one year after the last time you distribute an

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Opaque copy (directly or through your agents or retailers) of that

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edition to the public.

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It is requested, but not required, that you contact the authors of the

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Document well before redistributing any large number of copies, to give

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them a chance to provide you with an updated version of the Document.

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4. MODIFICATIONS

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You may copy and distribute a Modified Version of the Document under

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the conditions of sections 2 and 3 above, provided that you release

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the Modified Version under precisely this License, with the Modified

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Version filling the role of the Document, thus licensing distribution

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and modification of the Modified Version to whoever possesses a copy

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of it. In addition, you must do these things in the Modified Version:

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A. Use in the Title Page (and on the covers, if any) a title distinct

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from that of the Document, and from those of previous versions

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(which should, if there were any, be listed in the History section

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of the Document). You may use the same title as a previous version

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if the original publisher of that version gives permission.

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B. List on the Title Page, as authors, one or more persons or entities

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responsible for authorship of the modifications in the Modified

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Version, together with at least five of the principal authors of the

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Document (all of its principal authors, if it has fewer than five),

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unless they release you from this requirement.

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C. State on the Title page the name of the publisher of the

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Modified Version, as the publisher.

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D. Preserve all the copyright notices of the Document.

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E. Add an appropriate copyright notice for your modifications

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adjacent to the other copyright notices.

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F. Include, immediately after the copyright notices, a license notice

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giving the public permission to use the Modified Version under the

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terms of this License, in the form shown in the Addendum below.

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G. Preserve in that license notice the full lists of Invariant Sections